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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 290998 $ -->
<chapter xml:id="mysqlnd.config" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title>Configuration</title>
<para>
<emphasis role="bold">Configuration File
(php.ini) Settings</emphasis>
</para>
<para>
In PHP 5.3 the following <filename>php.ini</filename> settings are
available for the MySQL Native Driver:
</para>
<para>
<literal>mysqlnd.collect_statistics</literal>
</para>
<para>
type:boolean, default:"1", changeable:PHP_INI_SYSTEM
</para>
<para>
Available since 5.3.0
</para>
<para>
Enables the collection of various client statistics which can be
accessed through <literal>mysqli_get_client_stats()</literal>,
<literal>mysqli_get_connection_stats()</literal>,
<literal>mysqli_get_cache_stats()</literal> and are shown in
<literal>mysqlnd</literal> section of the output of the
<literal>phpinfo()</literal> function as well.
</para>
<para>
When enabled the following statistics will be collected:
</para>
<para>
bytes_sent, bytes_received, packets_sent, packets_received,
protocol_overhead_in, protocol_overhead_out,
bytes_received_ok_packet, bytes_received_eof_packet,
bytes_received_rset_header_packet,
bytes_received_rset_field_meta_packet,
bytes_received_rset_row_packet,
bytes_received_prepare_response_packet,
bytes_received_change_user_packet, packets_sent_command,
packets_received_ok, packets_received_eof,
packets_received_rset_header, packets_received_rset_field_meta,
packets_received_rset_row, packets_received_prepare_response,
packets_received_change_user, result_set_queries,
non_result_set_queries, no_index_used, bad_index_used, slow_queries,
buffered_sets, unbuffered_sets, ps_buffered_sets,
ps_unbuffered_sets, flushed_normal_sets, flushed_ps_sets,
ps_prepared_never_executed, ps_prepared_once_executed,
rows_fetched_from_server_normal, rows_fetched_from_server_ps,
rows_buffered_from_client_normal, rows_buffered_from_client_ps,
rows_fetched_from_client_normal_buffered,
rows_fetched_from_client_normal_unbuffered,
rows_fetched_from_client_ps_buffered,
rows_fetched_from_client_ps_unbuffered,
rows_fetched_from_client_ps_cursor, rows_skipped_normal,
rows_skipped_ps, copy_on_write_saved, copy_on_write_performed,
command_buffer_too_small, connect_success, connect_failure
</para>
<para>
<literal>mysqlnd.collect_memory_statistics</literal>
</para>
<para>
type:boolean, default:"0", changeable:PHP_INI_SYSTEM
</para>
<para>
Available since 5.3.0
</para>
<para>
Enable the collection of various memory statistics which can be
accessed through <literal>mysqli_get_client_stats()</literal>,
<literal>mysqli_get_connection_stats()</literal>,
<literal>mysqli_get_cache_stats()</literal> and are shown in
<literal>mysqlnd</literal> section of the output of the
<literal>phpinfo()</literal> function as well.
</para>
<para>
When enabled the following statistics will be collected:
</para>
<para>TBD</para>
</chapter>
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